Remote Set Point (Suffix Letter M); Maintenance; Replacing The Remote Set Point Assembly; Replacing Remote Set Point Assembly Parts - Emerson Fisher KC Series Instruction Manual

4195KA, KB, KC, and KS Controllers
18. Adjust the process pressure to the lower and
upper limits of the scale span to make sure the
process pointer is still within ±1 percent of the lower
and upper scale limits.
19. Perform the flapper alignment procedure and, if
necessary, the appropriate remote set point
calibration procedure in Section 3, 4, or 5.

Remote Set Point (suffix letter M)

Maintenance

Replacing the Remote Set Point
Assembly
WARNING
Refer to the Maintenance WARNING
on page 6-1.
Use the following procedures to replace the remote
set point assembly. Figure 6-23 shows the part
locations. Refer to figure 7-6 for key number
locations.
Remove the supply pressure gauge
before attempting to remove the
capsular element assembly.
1. Decrease the remote set point pressure to 0 bar
(0 psig).
2. Remove the supply pressure gauge.
3. Remove the pressure connection (key 93) at the
pedestal assembly (key 105). Use two 5/16 inch
wrenches.
4. Disconnect link B (key 126) from the connection
hole on the set point indicator.
5. Remove the three mounting screws (keys 120
and 140) that attach the remote set point assembly
to the process/set point indicator assembly. Figure
6-23 shows the mounting screw locations.
6-36
Note
CAUTION
In the following step, do not lift out
the remote set point assembly by
holding the capsular element or
linkages. These parts may be
damaged.
6. Lift out the remote set point assembly by holding
the tie bar (key 106), mounting plate (key 111),
travel stop (key 83), or pedestal assembly (key 105).
7. Align the replacement assembly with the
mounting screw holes. Replace the mounting
screws.
8. Reconnect the remote set point pressure
connection union (key 93). Apply full remote set
point pressure and check for leaks.
9. Connect link B (key 126) to the connecting hole
on the set point indicator.
10. Replace the supply pressure gauge.
11. Perform the remote set point maintenance
calibration procedure. Perform the appropriate
process indicator zero and span calibration and
flapper alignment procedure in Section 3, 4, or 5.
Replacing Remote Set Point Assembly
Parts
WARNING
Refer to the Maintenance WARNING
on page 6-1.
CAUTION
Avoid bending or kinking the drive
flexure during the following
procedures. Bending or kinking the
drive flexure can result in product
damage, as well as impaired
performance.
Figure 6-23 shows the parts and adjustment
locations. Refer to figure 7-6 for key number
locations.

Replacing Pivot Assembly A (Key 114)

1. Decrease the remote set point pressure to 0 bar
(0 psig).
2. Remove the two screws (key 103) and remove
the tie bar (key 106).
Instruction Manual
Form 5207
April 2007